60 results about "Carp" patented technology

The invention discloses a molecular marker related to high-sugar feed utilization characters of siniperca chuatsi and application of the molecular marker. The molecular marker is located on a No.7 chromosome of siniperca chuatsi, and the molecular marker contains one SNP (Single Nucleotide Polymorphism) site slc25a11-1; the SNP site slc25a11-1 is located at the 1439370th basic group of the No.6 chromosome of siniperca chuatsi, and the polymorphic site is T / C. By implementing the molecular marker disclosed by the invention, the high-sugar feed utilization condition of siniperca chuatsi species can be remarkably improved, so that the feed cost is reduced, and the culture benefit is increased.

This invention relates to the field of aquatic compound feed technology, specifically to a special feed for mullet, silver carp, and golden carp cultured in saline-alkali land in Northwest China. The feed is characterized by being composed of the following raw materials by weight percentage: 10%–14% alfalfa meal, 16%–22% soybean meal, 16%–22% corn meal, 5%–7% molasses, 1%–3% yeast powder, 2%–5% lactic acid bacteria preparation, 2%–5% premixed feed for aquatic life in saline-alkali land in Northwest China, 1%–4% fish oil, and 1%–5% vegetable oil. This invention solves the problems of low survival rate, high feed conversion ratio, easy antagonistic inactivation of probiotics, fish oil oxidation, poor water resistance of pellets, and insufficient regional adaptability of traditional feeds. Compared with commercially available ordinary marine fish feeds, the survival rate of juvenile fish is increased by 15% to 30%, the feed conversion ratio is reduced by 10% to 20%, the Vibrio inhibition rate is ≥80%, the power consumption per ton of feed is reduced by 25% to 35%, and the raw material cost is reduced by 30% to 45%. It is suitable for large-scale aquaculture in saline-alkali land in Northwest China and has important value for improving the quality and efficiency of fisheries, ecological restoration, and rural revitalization.

Comp / Carp fishing missile.

The invention discloses a high-yield carp and crayfish polyculture system in a cold region pond, relates to the high-yield carp and crayfish polyculture system in the cold region pond, and belongs to the field of biological behavior ecology and the technical field of aquaculture. The invention aims to break through the ecological constraint of the special habitat of the cold region on the crayfish and solve the problem of the economic benefit bottleneck of the main culture pond for the carps in the cold region. The system comprises a carp feeding area, an annular submerged plant zone and a main crayfish breeding area, and the area ratio of the carp feeding area to the annular submerged plant zone to the main crayfish breeding area is (1-1.5): (0.5-1.0): (10.5-9.5). According to the method, the economic benefit bottleneck of the carp main culture pond is solved, the survival trapping of the crayfish is broken through, and the ecological constraint brought by the special habitat of the cold region is tamed.

The present application relates to the fields of biotechnology and agricultural fishery, and discloses application of star anise water extract in preparation of an inhibitor of CyHV-2, and the technical scheme finds that the star anise water extract can effectively inhibit the infection and replication of CyHV-2 virus in GiCF cells. The present application firstly applies the star anise water extract to prevent and treat the infection of CyHV-2 (CyHV-2), thereby providing a new treatment scheme for CyHV-2 virus. The star anise water extract can effectively reduce the copy number of CyHV-2 virus, and the star anise water extract can be used to prepare a medicine for preventing and treating the infection of CyHV-2, and a medicine for treating viral hematopoietic organ necrosis disease of fish.

1. Name of the product in this design: Fishing Rod (Masterful Carp). 2. Purpose of this design: Fishing rod for fishing. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of the design product: wine bottle (year of the carp). 2. Use of the design product: applied to wine bottle. 3. Design points of the design product: combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view.

1. Name of the product in this design: Transmitter (H19 European Carp Fishing Alarm). 2. Purpose of this design: To trigger an alarm signal when a fish bites the hook while fishing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This application discloses a method for periodically feeding vine tea ultrafine powder in aquaculture and its application. The method includes the following steps: mixing vine tea ultrafine powder into aquatic animal feed at an addition rate of 1% to 8% of the total feed weight, and feeding it using a periodic feeding pattern; the periodic feeding pattern consists of continuous feeding for 7 days, followed by a 7-21 day break, which constitutes one cycle. This application, by pulverizing vine tea to an optimal particle size of 300 mesh, and by optimizing the optimal addition rate of 4% and the periodic feeding strategy of "7 days of continuous use, 14 days of break," fully utilizes the antioxidant and immune-enhancing effects of vine tea while effectively avoiding the potential liver and kidney burden and immunosuppression risks associated with long-term continuous use. Large-scale application trials show that this method achieves a protection rate of 52.91% to 65.14% in various aquatic animals, including crucian carp, largemouth bass, whiteleg shrimp, carp, and tilapia, demonstrating significant economic benefits and promising prospects for industrial application.

1. Name of the designed product: slippers (brocade carp). 2. Use of the designed product: slippers for wearing. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The application discloses a molecular marker related to a high-sugar feed utilization character of Procyprinus, and application thereof. The molecular marker is located on the 7th chromosome of the Procyprinus, and contains one SNP site slc25a11-1 on the molecular marker. The SNP site slc25a11-1 is located at the 1439370th base of the 6th chromosome of the Procyprinus, and the polymorphic site is T / C. The high-sugar feed utilization of the Procyprinus species can be obviously improved through the molecular marker, so that the feed cost is reduced and the breeding benefit is increased.

This invention belongs to the field of aquaculture technology and relates to a novel use of capsaicin, particularly its use in the preparation of drugs and / or feed additives for the prevention and treatment of fish viral infections. The core of this invention lies in the significant protective effect of capsaicin against carp spring viremia virus (SVCV), grass carp reovirus (GCRV), and carp herpesvirus type 2 (CyHV-2) infections, effectively inhibiting the transcription of SVCV, GCRV, and CyHV-2 viral genes and the expression of viral proteins. Feed additives and / or drugs containing capsaicin can be used for the prevention and treatment of fish viral diseases, offering advantages such as high protective efficiency and environmental friendliness.

1. Name of the designed product: refrigerator sticker (fish jumping over the dragon gate). 2. Use of the designed product: for decorating refrigerator. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view 1.

1. The name of the design product: continuous stove (20" Yellow River big carp / mandarin fish continuous stove). 2. The use of the design product: used to place alcohol lamp behind the tableware heating. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The invention relates to the technical field of water quality chemical dosing monitoring equipment, and discloses a crucian culture water quality chemical dosing monitoring device which comprises a chemical dosing device, a chemical dosing opening is fixedly connected to the top of the chemical dosing device, a supporting plate is fixedly connected to the bottom of the chemical dosing device, an electric push rod is fixedly connected to the bottom of the chemical dosing device, and a detection mechanism is arranged at the bottom of the chemical dosing device. The detection mechanism comprises a shell, the outer wall of the shell is fixedly connected with the output end of the electric push rod, a flow guide pipe is fixedly connected to the outer wall of the shell, a first flow guide block is fixedly connected to the inner wall of the shell, a first connecting pipe is fixedly connected to the outer wall of the first flow guide block, and a detection block is fixedly connected to the inner wall of the first connecting pipe. Water quality detection is carried out on different water depths through the detection mechanism, the situation that layered flowing of water in the culture pond causes large detection error of water at a single depth and influences the detection result and the dosage of the culture pond is prevented, and the accuracy of detection and dosage metering of the dosage monitoring device is improved.

This invention relates to the field of aquatic feed additives and aquaculture technology, specifically a method and application for improving the selenium content and meat quality of *Siniperca maculatus* using selenium-enriched algae. The steps include: screening *Chlorella* from naturally selenium-rich water bodies and the intestines of *Siniperca maculatus*; culturing *Chlorella* in BG11 medium containing 4 mg / L Na2SeO3 at 25°C under 1540 μmol / L photon illumination for one week; then scaling up the culture in a photobioreactor for four weeks; centrifuging, washing, and vacuum freeze-drying to obtain selenium-enriched algae powder; adding the powder at 0.1~0.9 mg / kg to the basic feed to make pelleted feed, and feeding it to *Siniperca maculatus* with an initial body weight of 10±2 g. This method can increase the selenium content in fish muscle by 20%~111%, reduce the content of heavy metals such as As, Cd, and Hg, improve growth performance and meat quality, and is safe, easily scalable, and contributes to the green development of aquaculture.

This utility model relates to the field of fish farming technology, and discloses a fish farm based on the ecological farming of white-scaled wrasse. The farm includes a rearing pond, a filter box on one side of which has several filter holes arrayed on one side wall. A water circulation assembly connected to the filter box is installed on the pond wall. Multiple equally spaced slots are arrayed on the bottom surface of the rearing pond, and escape-prevention components are inserted into these slots. Each escape-prevention component includes multiple rods, with a first barrier net connecting two rods. A second barrier net with an inclined design is connected to the top of the first barrier net. Fixing elements for securing the rods are connected to the top of the rods. The water circulation assembly simulates a flowing water environment, maintaining stable water quality, while the escape-prevention components form a barrier to prevent fish fry from escaping, reducing farming costs.

The application discloses a Pengze carp Myxobolus prevention and treatment device and relates to the technical field of aquaculture disease prevention and control. The device comprises a double-bottom sedimentation chamber, a separation chamber, a stainless steel filter screen cylinder, a sand and stone filler layer, a heating rod, a planet gear reversible drive turbine paddle, a deep ultraviolet multilayer illumination box and an automatic pressure monitoring-backwashing-scraping plate cleaning system. After water bodies are subjected to spiral induced cyclone sedimentation, filtration-thermal inactivation and deep ultraviolet long light path irradiation, the water bodies return to the pool body, efficient and drug-free inactivation of Myxobolus spores and hosts is realized, and automatic backwashing and synchronous deslagging can be realized after blockage detection, so that continuous operation is ensured.

The application belongs to the technical field of genetic engineering of aquatic animals, and discloses application of fish VDAC2 genes in resisting inflammation reaction induced by aquatic viruses. Experimental data of the application show that the inflammation reaction caused by SVCV can be significantly inhibited by using VDAC2 inhibitor Dids or knocking down VDAC2, and the survival rate of fish after infection with the SVCV virus can be effectively improved, so VDAC2 plays an important role in regulating the inflammation reaction induced by the spring viremia of carp virus. The application provides a new drug target for virus prevention and control in the field of aquatic products, and has important significance for prevention and control of aquatic viruses.

The invention relates to novel application of microcystic toxins LR and RR in resisting mandarin fish rhabdovirus. The microcystic toxins LR and RR are found to have a remarkable mandarin fish rhabdovirus resisting effect, can obviously reduce the copy number of the mandarin fish rhabdovirus and reduce the virus titer of the mandarin fish rhabdovirus, have concentration dependence, can destroy the structure of the mandarin fish rhabdovirus and effectively improve the survival rate of fishes infected with the mandarin fish rhabdovirus, and are good in biological safety. Therefore, the microcystic toxins LR and RR can be used for preparing products such as drugs for resisting the mandarin fish rhabdovirus, fish feed or fish feed additives and the like, and can become an effective prevention and control means for preventing and controlling the mandarin fish rhabdovirus.

The application provides an application of hepatocyte nuclear factor HNF4beta in preparation of a fish disease preventing and / or treating fish biological product, and belongs to the technical field of biotechnology. Through in-vivo experiments, it is found that overexpression of hepatocyte nuclear factor HNF4beta in a fish body can effectively prevent and / or inhibit pathogenic bacteria, especially Edwardsiella tarda, spring viremia of carp virus (SVCV) and grass carp reovirus (GCRV). Meanwhile, the hepatocyte nuclear factor HNF4beta can effectively regulate the immune system, control the occurrence of hepatobiliary syndrome and significantly improve the survival rate of juvenile fish. In addition, the application first proves that HNF4beta can effectively control the hepatobiliary syndrome induced by GCRV infection. The application provides a molecular target for prevention and control of infectious diseases, metabolic diseases and metabolic disease-induced infectious diseases of the Cyprinidae family.

The utility model discloses a four-foot linkage folding storage type fishing support, and relates to the technical field of fishing auxiliary tools. The utility model solves the problems that the assembling and debugging steps are complicated and the storage is troublesome due to the fact that the upper support structure of the conventional Ouropean carp support is a detachable structure. The folding assembly comprises a four-foot folding base installed at the end of a main body assembly, and the two ends of an upper folding body part and the two ends of a lower folding body part are rotationally connected with the upper end and the lower end of the four-foot folding base, an upper folding executing mechanism and a lower folding executing mechanism respectively. The other ends of the upper folding executing mechanism and the lower folding executing mechanism are movably connected with an upper folding sliding seat assembly and a lower folding sliding seat assembly which are mounted on the main body assembly in a sliding manner respectively; the upper folding sliding seat assembly and the lower folding sliding seat assembly are connected through a sliding seat linkage fastener so as to achieve linkage folding and / or unfolding between the upper folding body part and the main body assembly and between the lower folding body part and the main body assembly. The folding device is of an integrated structure, and linkage of the upper folding body and the lower folding body can be achieved.

The invention belongs to the field of disease prevention and control in aquaculture, and particularly relates to a target gene and a detection reagent for identifying a carp edema virus and application of the target gene and the detection reagent in breeding of carp fries without the carp edema virus. The invention discovers that DNA-binding protein can be used as a specific target gene for identifying the carp edema virus for the first time. According to the present invention, the RAA amplification technology and the CRISPR / Cas12a system are combined to establish the system capable of rapidly detecting the CEV virus on site, and the method has advantages of high detection sensitivity, convenient operation and rapid reaction, and can be used for monitoring the CEV pathogen retention condition on the breeding site. Furthermore, a method suitable for rapid detection of the carp edema virus on a culture site is established. CEV pathogen purification and purification maintenance and parent artificial breeding in a pathogen-free environment are realized. According to the method, CEV pathogen purification and purification maintenance of the cultured carp are realized, the culture rate of the cultured carp is increased, and the use of fish medicine is reduced.

The utility model discloses a three-leg folding storage type fishing support, and relates to the technical field of fishing tackle auxiliary equipment. The utility model aims to solve the problems of complex assembling and debugging steps and troublesome storage of the detachable structure of the conventional Ouropean carp support. The folding bed comprises a supporting assembly, a main body assembly, two folding assemblies and two frame rod assemblies, the upper end of the supporting assembly is connected with the lower side of the middle of the main body assembly in an inserted mode, the folding assemblies are vertically connected to the two ends of the upper portion of the main body assembly, and the upper ends of the folding assemblies can be folded towards the middle of the main body assembly around the connecting positions of the lower ends. The frame rod assembly is arranged above the folding assembly and can ascend and descend in the height direction. The fishing auxiliary support is used for fishing.

The invention discloses a fish resource prediction method of female and male sex ratio change. The method comprises the following steps: constructing female and male gymnocypris przewalskii population vectors in a lake and a river of a target lake; calculating the population number of lakes and rivers every year; calculating the sex ratio of the gymnocypris przewalskii in lakes and rivers; calculating a repeated propagation coefficient; establishing a relationship between a river male-female ratio and a lake male-female ratio; and predicting the total resource quantity of the lake gymnocypris przewalskii in the future based on the relationship between the river male-female ratio and the lake male-female ratio and the repeated propagation coefficient. Based on the ecological habit of'lake inhabiting-river breeding 'of migratory fishes, accurate accounting of the population number is achieved by constructing the lake population vector and the river breeding population vector, the sex ratio feature, breeding coefficient and lake population cardinal number of the river breeding population are combined, the linkage logic of the population supplementation amount and the existing resource amount is more complete, and the breeding efficiency of the migratory fishes is improved. And the prediction error caused by data isolation is obviously reduced.

1. Name of the product in this design: Silk scarf (Fish Leaping Over the Dragon Gate). 2. Purpose of this design: for wearing and decoration. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key features: the front view. 5. This design is a two-dimensional product; other views are omitted.

1. Name of this design product: Yajin (Koi Carp Holding Auspiciousness). 2. Purpose of this design: For use in cheongsam decoration. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The design for which protection is sought includes color.

1. Name of the product in this design: Ornament (Little Carp Jumping). 2. Purpose of this design: decorative ornament. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a method for improving the fishy smell removal effect of freeze-thawed minced fillet by using a natural deep eutectic solvent, and belongs to the field of food processing. NADES is prepared from citric acid and trehalose according to the molar ratio of 2: 1 and added into mirror carp minced carp (w / w = 4%), and after freeze thawing treatment, the content of volatile compounds with the fishy smell characteristic of the minced carp, such as hexanal, heptanal and nonanal, is remarkably reduced, generation of lipid oxidation secondary products is inhibited, meanwhile, the binding capacity of protein to fishy smell substances is enhanced, and release of the substances is reduced. According to the invention, environment-friendly natural degradable materials are adopted, so that a new idea is provided for development of a novel green fishy smell removing agent while the fishy smell of the frozen and thawed surimi is effectively reduced, and a new insight is provided for flavor preservation of the surimi and more types of muscle foods.

The present application relates to the technical field of biological medicine, and particularly relates to a DNA vaccine for carp herpesvirus type II, a preparation method and application thereof. The present application provides a DNA vaccine for carp herpesvirus type II, which comprises a carrier and a nucleic acid molecule of an ORF66 gene, wherein the nucleic acid sequence of the ORF66 gene is shown as SEQ ID NO:1, and the carrier is pVAX1. The DNA vaccine for carp herpesvirus type II prepared by the present application is safer and more reliable, has good immunoprotective property, can inhibit the infection of carp herpesvirus type II on crucian carp, and reduce the economic loss caused by diseases in the process of crucian carp breeding.